Sofaplay not supported media codec5/7/2023 ![]() Signaling always flows via the Microsoft cloud. This is the recommended solution when a user is in the same building and/or network as the SBC – remove Microsoft Cloud components from the media path. If direct media is not desired, the media can flow via Transport Relays. If the user has direct access to the public IP address of the SBC, the call flow is as follows:įor media bypass, the Teams client must have access to the public IP address of the SBC even from an internal network. Call flow if the user has direct access to the public IP address of the SBC Call flow and firewall planningĬall flow and firewall planning depends on whether the user has direct access to the public IP address of the SBC, and whether the user is inside or outside of the network. For detailed information about these protocols, see RFC 5245. These protocols enable Direct Routing to use the most direct media path for optimal quality. Media bypass leverages protocols called Interactive Connectivity Establishment (ICE) on the Teams client and ICE lite on the SBC. ![]() Without media bypass, when a client makes or receives a call, both signaling and media flow between the SBC, the Microsoft Phone System, and the Teams client, as shown in the following diagram: The diagrams below illustrate the difference in call flow with and without media bypass. This article describes the call flow in different scenarios. If you enable media bypass, this does not mean that all media traffic will stay within the corporate network. You can control media bypass for each SBC by using the Set-CSOnlinePSTNGateway command with the -MediaBypass parameter set to true or false. To configure media bypass, the SBC and the client must be in the same location or network. With media bypass, media is kept between the Session Border Controller (SBC) and the client instead of sending it via the Microsoft Phone System. Media bypass enables you to shorten the path of media traffic and reduce the number of hops in transit for better performance. Feedback In this article About media bypass with Direct Routing
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